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Student Receivables - Additional Information (Detail) - USD ($) $ in Thousands | 6 Months Ended |
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Jun. 30, 2023 | Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Approximate length of current academic year | 210 days |
Student receivables, net of allowance for doubtful accounts | $ 1,184 | $ 1,850
Minimum [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Student receivables write-off period, days past due | 90 days |

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- Definition Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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